rien qui fonctionne comme d'hab

calculation.py

@@ -46,15 +46,16 @@ def zandberg_electromagnetic_amplitude(electric_field=0., wavelength=1e-6):
     sl = st.structure_zandbergen()
     sl = op.algaas_super_lattice_refractive_index(sl, electric_field, wavelength)
     sl = pt.cut_in_equal_layers_thickness(sl, 1e-9)
-    em = op.em_amplitude_tmm(sl, wavelength)
-    sl['electromagnetic_amplitude'] = em.tolist()
+    em = op.em_amplitude_smm(sl, wavelength)
+    sl.insert(sl.shape[1], 'electromagnetic_amplitude', value=em)
     plt.plot_refra_em(sl)
 
 
 
 
 def mqw_psi(lz=0.01e-9, electric_field=0., wavelength=850e-9):
-    sl = st.structure_eam(air=False, top_dbr=False, bot_dbr=False, shared_dbr=False, contact=False, substrate=False)
+    sl = st.structure_eam(air=False, top_dbr=False, bot_dbr=False, shared_dbr=False, contact=False, substrate=False, amount_qw=5)
+    sl = pt.cut_in_equal_layers_thickness(sl, 1e-11)
     v_e, v_hh, eig_e, psi_e, eig_hh, psi_hh = qt.solve_schrodinger(sl)
     np.savez_compressed('v_e', v_e)
     np.savez_compressed('v_hh', v_hh)
@@ -62,7 +63,7 @@ def mqw_psi(lz=0.01e-9, electric_field=0., wavelength=850e-9):
     np.savez_compressed('psi_e', psi_e[0, :])
     np.savez_compressed('eig_hh', eig_hh)
     np.savez_compressed('psi_hh', psi_hh[0, :])
-    # plt.plot_psi(lz, v_e, psi_e)
+    plt.plot_psie()
 
 
 def benchmark_refractive_index():

optic.py

@@ -411,7 +411,7 @@ def scattering_matrix_layer(vi, vg, xi):
     return s
 
 
-def redheffer_star_product(sa, sb, e):
+def redheffer_star_product(sa, sb):
     ba = np.matmul(sb[0, 0], sa[1, 1])
     ab = np.matmul(sa[1, 1], sb[0, 0])
 
@@ -426,11 +426,8 @@ def redheffer_star_product(sa, sb, e):
         sb[1, 1] +np.matmul(np.matmul(f, sa[1, 1]), sb[0, 1])
     ]])
 
-    amp = np.abs(sab[0, 0][0, 0] +sab[1, 1][0, 0])**2
-    e = np.append(e, amp)
 
-
-    return sab, e
+    return sab
 
 
 def em_amplitude_smm(super_lattice, wavelength):
@@ -475,7 +472,13 @@ def em_amplitude_smm(super_lattice, wavelength):
         s_i = scattering_matrix_layer(v_i, v_global, x_i)
 
         # update global scattering matrix
-        s_global, e = redheffer_star_product(s_global, s_i, e)
+        s_global = redheffer_star_product(s_global, s_i)
+
+        # calculate transmitted and reflected fields
+        e_ref = np.matmul( s_global[0, 0], np.array([1., 0.]) )
+        e_trm = np.matmul( s_global[1, 0], np.array([1., 0.]) )
+        amplitude = np.abs(e_ref[0] +e_trm[0])**2
+        e = np.append(e, amplitude)
 
 
     # compute reflection side scattering matrix

quantum.py

@@ -40,8 +40,8 @@ def hamiltonian(sl, particle):
         m = mass(al)
 
 
-        a = - HREV**2 /(2 * m * lz**2)
-        b = HREV**2 /(m * lz**2) -sl.at[i, barrier]
+        a = -HREV**2 /(2 * m * lz**2)
+        b = HREV**2 /(m * lz**2) +sl.at[i, barrier]
         c = a
 
         h[i +1  , i     ] = a
@@ -63,12 +63,16 @@ def algaas_potential_barrier(al):
     valence_band_offset = 0.33                      # G.Ji, D.Huang, U.K.Reddy, H.Unlu, T.S.Henderson, and H.Morko9 1987
     conduction_band_offset = 1. -valence_band_offset
 
-    eg_al_x = EG_GAAS +1.087 * al +0.438 * al**2
-    delta_eg = eg_al_x -EG_GAAS
+    # http://www.ioffe.ru/SVA/NSM/Semicond/AlGaAs/bandstr.html
+    if al<0.45:
+        delta_eg = 1.247*al
+    else:
+        delta_eg = 1.9 -EG_GAAS +0.125*al +0.143*al**2
 
     v_hh = valence_band_offset * delta_eg
     v_e = conduction_band_offset * delta_eg
 
+
     return v_e, v_hh
 
 
@@ -92,16 +96,6 @@ def algaas_super_lattice_potential_barrier(sl):
 
 
 
-def last_bound_states_index(v, e):
-    limit = np.max(v)
-
-    for i in range(e.shape[0]):
-        if e[i]>limit:
-            return i -1
-
-
-
-
 def solve_schrodinger(sl):
     # compute the potential barrier array
     sl = algaas_super_lattice_potential_barrier(sl)
@@ -111,6 +105,7 @@ def solve_schrodinger(sl):
     # solve the schrodinger equation
     eig_e, psi_e = np.linalg.eig(h_e)
     # delete the hamiltonian in order to free RAM
+    np.savez_compressed('h_e', h_e)
     del h_e
 
     # compute the hamiltonian for heavy holes